/* ============================================
   ADVANCED ANIMATIONS & MICRO-INTERACTIONS
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg);
  }
  to {
    opacity: 1;
    transform: rotate(0);
  }
}

/* Magnetic Button Effect */
.btn-magnetic {
  position: relative;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Ripple Effect on Click */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: rippleEffect 0.6s ease-out;
  pointer-events: none;
}

@keyframes rippleEffect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Hover Glow Effect */
.glow-on-hover {
  position: relative;
  z-index: 0;
}

.glow-on-hover::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, #667eea, #764ba2, #667eea);
  background-size: 400%;
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  filter: blur(8px);
  transition: opacity 0.3s ease;
}

.glow-on-hover:hover::before {
  opacity: 1;
  animation: glowAnimation 3s linear infinite;
}

@keyframes glowAnimation {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Text Gradient Animation */
.animated-gradient-text {
  background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #667eea);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Floating Elements */
.float-animation {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Bounce on Scroll */
.bounce-in {
  animation: bounceIn 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.05) 25%, 
    rgba(255, 255, 255, 0.15) 50%, 
    rgba(255, 255, 255, 0.05) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

/* Parallax Scroll */
.parallax {
  transition: transform 0.1s ease-out;
}

/* 3D Card Tilt Effect (Applied via JS) */
.card-3d {
  transform-style: preserve-3d;
  transition: transform 0.3s ease;
}

.card-3d:hover {
  transform: perspective(1000px) rotateX(var(--rotate-x)) rotateY(var(--rotate-y));
}

/* Slide In From Bottom (for underline effects) */
@keyframes slideInFromBottom {
  from {
    opacity: 0;
    width: 0;
  }
  to {
    opacity: 1;
    width: 80px;
  }
}